1. A. A. Logunov and A. N. Tavkhelidze, Nuovo Cimento, 29, 380–399 (1963).
2. A. A. Logunov, A. N. Tavkhelidze, I. T. Todorov, and O. A. Khrustalev, Nuovo Cimento, 30, 134–142 (1963).
3. A. A. Logunov, A. N. Tavkhelidze, and O. A. Khrustalev, Phys. Lett., 4, 325–326 (1963).
4. B. A. Arbuzov, A. A. Logunov, A. N. Tavkhelidze, R. N. Faustov, and A. T. Filippov, Sov. Phys. JETP, 17, 948 (1963).
5. V. G. Kadyshevskii and A. N. Tavkhelidze, “Quasipotential method in relativistic two-body problems [in Russian],” in: Problems in Theoretical Physics (D. I. Blokhintsev, ed.), Nauka, Moscow (1969), pp. 261–277.